Home / 32,171.20-48,256.80-15,539.20

Finding the Fourth Proportional to 32,171.20, 48,256.80 and 15,539.20

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Solution

The fourth proportional to 32,171.20, 48,256.80 and 15,539.20 is: 23,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,171.20 : 48,256.80 = 15,539.20 : x
  2. Step 2: Convert to fraction form
    32,171.20/48,256.80 = 15,539.20/x
  3. Step 3: Cross multiply
    32,171.20x = 48,256.80 × 15,539.20
  4. Step 4: Simplify right side
    32,171.20x = 749,872,066.56
  5. Step 5: Solve for x
    x = 749,872,066.56/32,171.20
  6. Step 6: Final answer
    x = 23,308.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.